The Commens Dictionary
Quote from ‘Lowell Lectures. 1903. Lecture 3’
…I would define Pure Mathematics as the science of pure hypotheses perfectly definite in all respects which can create or destroy forms of necessary consequences from them and entirely indeterminate in other respects.
MS [R] 459:4
‘Pure Mathematics’ (pub. 28.09.14-17:32). Quote in M. Bergman & S. Paavola (Eds.), The Commens Dictionary: Peirce's Terms in His Own Words. New Edition. Retrieved from http://www.commens.org/dictionary/entry/quote-lowell-lectures-1903-lecture-3-0.